1. Essential opera. Naxos Music Library. [England] : EMI Classics, [2010] Audio Online Naxos music library
2. Opera 2011. Naxos Music Library. [Place of publication not identified] : EMI Classics, [2011] Audio Online Naxos music library
3. Opera 2009. Naxos Music Library. [London] : EMI Records, [2009]℗2009 Audio Online Naxos music library
4. Opera choruses. "Encore" (EMI (Firm)), "Encore" Gardelli, Lamberto [Browse] [London] : EMI Classics, [2008] Audio Online Music Online: Classical Music Library - United States
5. Opera arias [electronic resource] / Mozart. Naxos Music Library., "Encore" (EMI (Firm)), "Encore" Mozart, Wolfgang Amadeus, 1756-1791 [Browse] [S.l.] : EMI Classics, [2007], p1991. Audio Online Naxos music library
6. Opera choruses [electronic resource]. Naxos Music Library., "Encore" (EMI (Firm)), Classical music library, "Encore" Gardelli, Lamberto [Browse] [London] : EMI Classics, [2008] Audio Online Naxos music library
7. Opera arias [electronic resource]. Naxos Music Library., Références (EMI Classics (Firm)), Références Gigli, Beniamino, 1890-1957 [Browse] [Hayes, Middlesex, England?] : EMI Classics, p1988. Audio Online Naxos music library
8. Opera arias [electronic resource] / Mozart, Smetana, Tchaikovsky. Four last songs / R. Strauss. Naxos Music Library., Références (EMI (Firm)), Références Jurinac, Sena, 1921-2011 [Browse] [London] : EMI, p1989. Audio Online Naxos music library
9. Opera arias / Tito Schipa. Références (EMI (Firm)), Références Schipa, Tito, 1889-1965 [Browse] West Germany : EMI, [1989], ℗1989. Audio ReCAP - Remote Storage » M1505.S383 O64 1989g
10. 50 opera arias. Naxos Music Library. [England] : EMI Classics, [20--?] Audio Online Naxos music library
11. Opera arias & duets. Références (Pathé Marconi (Firm)) Rysanek, Leonie [Browse] [Place of publication not identified] : EMI Classics, [1994], ℗1994. Audio ReCAP - Remote Storage » M1505.R97 O64 1994g
12. Best opera classics 50. Naxos Music Library. [England] : EMI Classics, [2010]℗2010 Audio Online Naxos music library
13. 100 best opera classics. Naxos Music Library. New York, NY : EMI Classics, [2006] Audio Online Naxos music library
15. Opera arias and songs [electronic resource]. Naxos Music Library., Références (Pathé Marconi (Firm)) Caruso, Enrico, 1873-1921 [Browse] France : EMI Références, p[1989] Audio Online Naxos music library
16. Opera arias and songs [electronic resource]. Naxos Music Library., Icon (EMI (Firm)), Icon Di Stefano, Giuseppe, 1921-2008 [Browse] [S.l.] : EMI Classics, p2008. Audio Online Naxos music library
17. L'opéra pour les nuls. Naxos Music Library. [England] : EMI Classics, [20--?] Audio Online Naxos music library
18. Russian opera arias & songs. Références (EMI (Firm)), Références Christoff, Boris [Browse] Hayes, Middlesex, England : EMI Records, [1992], ℗1992. Audio ReCAP - Remote Storage » M1505.C47 R88 1992g
19. Richard Tauber : the gentleman tenor : opera and operetta arias, songs. CD 1-4. Icon (EMI (Firm)), Icon Tauber, Richard, 1891-1948 [Browse] [Hayes, Middlesex, England] : EMI Classics, [2009] Audio Online Music Online: Classical Music Library - United States
20. L'opérette pour les nuls. Naxos Music Library. [France] : EMI Classics, [2011?] Audio Online Naxos music library